Provided are a novel pyrimidine compound that inhibits HER2 activity and exhibits brain penetration properties, or a salt thereof, and a pharmaceutical composition comprising the same.
A compound represented by the following formula (I), or a salt thereof:
wherein R
1
represents a C1-C4 alkyl group optionally having a C1-C4 alkoxy group as a substituent, or a C3-C4 cycloalkyl group;
R
2
represents a hydrogen atom, a halogen atom, a C1-C6 alkyl group optionally having 1 to 5 C1-C4 alkoxy groups or fluorine atoms each as a substituent(s), or a C1-C6 alkoxy group;
R
3
represents a hydrogen atom, or a C1-C4 alkyl group optionally having 1 to 5 fluorine atoms as a substituent(s);
R
4
represents a hydrogen atom or a C1-C4 alkyl group; and
R
5
represents a phenyl group optionally having 1 to 3 substituents selected from fluorine atoms and chlorine atoms.
提供了一种新型
嘧啶化合物,抑制
HER2活性并具有脑透过性,或其盐,以及包含该化合物的药物组合物。
表示为以下式(I)的化合物,或其盐:
其中R1代表一个C1-C4烷基基团,可选地具有一个C1-C4烷
氧基作为取代基,或一个C3-C4
环烷基团;
R2代表
氢原子,卤原子,一个C1-C6烷基基团,可选地具有1至5个C1-C4烷
氧基或
氟原子作为取代基,或一个C1-C6烷
氧基;
R3代表
氢原子,或一个C1-C4烷基基团,可选地具有1至5个
氟原子作为取代基;
R4代表
氢原子或一个C1-C4烷基基团;和
R5代表一个
苯基,可选地具有1至3个取代基,选自
氟原子和
氯原子。